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ALI AIR BASE, Iraq -- Staff Sgt Ryan Schaan, 407th Expeditionary Support Squadron petroleum, oils, and lubricants flight fuels supervisor, uses a measuring stick to calculate an estimate of how much fuel is in a fuel bag April 22. The POL flight taught the Iraqis how to properly maintain their fuel area in order to prevent and minimize fuel spills. Sergeant Schaan is deployed from Nellis Air Force Base, Nev., and is a native of Grenora, N.D. (U.S. Air Force photo by Staff Sgt. Levi Riendeau)
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